VT4T5UF2021 - Sharp Electrionic Components

VT4T5UF2021 Combination Tuner/Demodulator/Modulator

The VT4T5UF2021 is a combination tuner, demodulator and modulator in one package. This unit is compatible with North American NTSC television broadcast signals. An internal Phase-Locked Loop circuit performs all of the required tuning functions. Digital control information is provided to the unit on I2C serial data bus. The tuner and demodulator blocks are i.

Features

• Receiving Standard: USA
• Receiving Channels:
  – VHF Section
  – Low Band
  – Air: 2 to 6 CATV: (A-8) A-5 to B
  – High Band
  – Air: 7 to 13 CATV: C to W + 11
  – UHF Section
  – Air: 14 to 69
  – CATV: W + 12 to W + 84
• Sending Channels:
  – USA Channel 3 and 4
  – CH 3: OPEN
  – CH 4: GND
• Receiving and Sending System: USA Standard M-System (NTSC)
• Channel Selection System: PLL Tuning
• Detection System: Dummy Synchronization Detection System, Intercarrier Sound Receiving System
• Nominal Input Impedance:
  – RF: 75 Ω, Unbalanced
  – Video: 1 kΩ, Unbalanced
  – Audio: 4.7 Ω MIN., Unbalanced
  – Control: 30 kΩ MIN..